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Template-free scalable synthesis of TiO2 hollow nanoparticles for excellent photoelectrochemical applications
Zhang, Yuyuan1; Hu, Huawen1; Chang, Menglei1; Wei, Hongyang1; Chen, Dongchu1; Zhang, Min1; Wu, Liangpeng2; Li, Xinjun2
2018-02-01
Source PublicationJOURNAL OF MATERIALS SCIENCE
Volume53Issue:3Pages:2102-2114
AbstractWith the energy crisis and resource depletion nowadays, novel, highly performing, and cost-effective semiconductors are in urgent demand for efficiently harvesting solar energy for photoelectrochemical applications. Herein, this study presents low-cost anatase TiO2 hollow nanoparticles as prepared by a critical liquid-phase deposition (LPD) processing combined with a hydrothermal reaction and calcination processing, without involving any templates. The additional LPD processing not only makes the resulting samples more visible light responsive, but also results in hollowing the TiO2 nanoparticles (nanosheets vs. hollow nanoparticles). Importantly, commercial TiO2 powder is employed as the starting material to achieve the final synthesis of TiO2 hollow nanoparticles, making it scalable and cost-effective for production and applications. As a by-product, the fluoride, formed during the preparation process, is assumed to play a significant role in hollowing through chemically induced self-transformation and Ostwald ripening, in addition to enhancing the crystallinity. The beneficial structural evolution to the hollow nanoparticles enables the improvement of the photoelectrochemical performance through impressive inhibition of the recombination of the photoelectrons and holes, which is well evidenced by I (ph) and EIS (Nyquist plot), as well as by I-V curve and electron lifetime evaluations as for the assembled DSSCs with the prepared TiO2 hollow nanoparticles under simulated sunlight illumination (50 mW/cm(2)).
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1007/s10853-017-1642-0
WOS Subject ExtendedMaterials Science
WOS KeywordSENSITIZED SOLAR-CELLS ; TITANIUM-DIOXIDE ; GRAPHENE ; PERFORMANCE ; NANOSHEETS ; MICROSPHERES ; DEGRADATION ; NANOSPHERES ; EFFICIENCY ; NANOTUBES
Indexed BySCI
Language英语
Funding OrganizationOpen Research Fund of Jiangsu Provincial Key Laboratory of Biomass Energy and Materials(JSBEM201608) ; National Natural Science Foundation of China(51702050) ; Construction Project from Foshan Engineering Technique Research Center(2014GA000355) ; Construction Project from Research Platform of Universities in Foshan City(2014AG10009) ; High-Level Talent Start-Up Research Projects in Foshan University(gg040948 ; Gg040918)
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000415281400045
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/15859
Collection中国科学院广州能源研究所
Affiliation1.Foshan Univ, Coll Mat Sci & Energy Engn, Foshan 528000, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yuyuan,Hu, Huawen,Chang, Menglei,et al. Template-free scalable synthesis of TiO2 hollow nanoparticles for excellent photoelectrochemical applications[J]. JOURNAL OF MATERIALS SCIENCE,2018,53(3):2102-2114.
APA Zhang, Yuyuan.,Hu, Huawen.,Chang, Menglei.,Wei, Hongyang.,Chen, Dongchu.,...&Li, Xinjun.(2018).Template-free scalable synthesis of TiO2 hollow nanoparticles for excellent photoelectrochemical applications.JOURNAL OF MATERIALS SCIENCE,53(3),2102-2114.
MLA Zhang, Yuyuan,et al."Template-free scalable synthesis of TiO2 hollow nanoparticles for excellent photoelectrochemical applications".JOURNAL OF MATERIALS SCIENCE 53.3(2018):2102-2114.
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